In geometry, a translation is the shifting of a figure from one place to another without rotating, reflecting or changing its size. This is done by moving the vertices of the figure the prescribed number of spaces on a coordinate plane and then drawing the new figure.
These PFDs are designed to keep the wearer in a vertical position, but it is the wearersâ responsibility to maneuver themselves into a face-up position. Type III PFDs will keep unconscious wearers face-up just as well as a Type II vest.
If you see a person who has become unconscious, take these steps: 1  Check to see if the person is breathing. 2  If he or she is breathing, position the person on his or her back. 3  Raise the personâs legs at least 12 inches above the ground. 4  Loosen any restrictive clothing or belts.